• Shell plc
• LyondellBasell Industries Holdings B.V.
• Kuraray Co. Ltd.
• Exxon Mobil Corporation
• Shandong Baomo Biochemical Co. Ltd.
• Braskem SE (Odebrecht S.A)
• Chevron Phillips Chemical Company LLC
• Pon Pure Chemicals Group (Pure Chemicals Co)
• China Petrochemical Corporation (Sinopec Group)
• The Dow Chemical Company